Source code for firedrake.preconditioners.low_order

from firedrake.preconditioners.pmg import PMGPC, PMGSNES

__all__ = ("P1PC", "P1SNES")



[docs]
class P1PC(PMGPC):

[docs]
    def coarsen_element(self, ele):
        if super().max_degree(ele) <= self.coarse_degree:
            raise ValueError
        return super().reconstruct_degree(ele, self.coarse_degree)





[docs]
class P1SNES(PMGSNES):

[docs]
    def coarsen_element(self, ele):
        if super().max_degree(ele) <= self.coarse_degree:
            raise ValueError
        return super().reconstruct_degree(ele, self.coarse_degree)